Ethyl 3-chloro-6-cyano-4-(difluoromethyl)pyridine-2-acetate
3-Chloro-2-(difluoromethyl)-5-hydroxypyridine-6-acetic acid
3-Chloro-6-cyano-4-(difluoromethyl)pyridine-2-sulfonyl chloride
6-Chloro-2-(difluoromethyl)-4-hydroxypyridine-3-acetic acid
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